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Wednesday, May 14, 2003

The Liquidity Trap: A Sticky Problem

Brad has a number of posts this week on the liquidity trap problem (and here and here . Two points occur to me: firstly, is it more than a merely semantic point whether we are 'fast approaching' or "already caught in the orbit" of one; and secondly whether (as Joerg asks me) the name is not a misnomer, wouldn't 'viscosity trap' be a better description? Meantime, John Irons recent post is as good a start for the 'unintitiated' (we still await the 'guide for the perplexed') as any you will find:

The recent FOMC statement by the Federal Reserve (Fed) included the line that "... the probability of an unwelcome substantial fall in inflation, though minor, exceeds that of a pickup in inflation from its already low level" (emphasis added.) It occurred to me that this statement might be a little confusing - isn't inflation supposed to be bad? Why would a fall in inflation be "unwelcome"? The answer has to do with what economists call a "liquidity trap." (Note: the full analysis of a liquidity trap is considerably more complicated than below, but this should convey the basic idea.)

The basic argument is that the interest elasticity of money demand increases, and monetary policy becomes less effective, when the nominal interest rate approaches zero. Ok, here's the English version...........
Source: ArgMax
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About

Edward 'the bonobo' is a Catalan economist of British extraction based in Barcelona. By inclination he is a macro economist, but his obsession with trying to understand the economic impact of demographic changes has often taken him far from home, off and away from the more tranquil and placid pastures of the dismal science, into the bracken and thicket of demography, anthropology, biology, sociology and systems theory. All of which has lead him to ask himself whether Thomas Wolfe was not in fact right when he asserted that the fact of the matter is "you can never go home again".

He is currently working on a book with the provisional working title "Population, the Ultimate Non-renewable Resource".

Apart from his participation in A Fistful of Euros, Edward also writes regularly for the demography blog Demography Matters. He also contributes to the Indian Economy blog . His personal weblog is Bonobo Land . Edward's website can be found at EdwardHugh.net.